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Table 6

Quasar candidates: counts of objects in the predicted classes and the proportion identified as quasars using the extragalactic-table-tuned prior defined in Sect. 5.

Predicted

Star Quasar Galaxy Quasar proportion
GP GDR3 Quasar 1826019 2211696 10911 0.5463
Pure GDR3 Quasar 54006 1768694 222 0.9703
SDSS16 Quasar + GDR3 753 401104 5 0.9981
SDSS16 Quasar + Pure GDR3 725 394418 5 0.9982

MP GDR3 Quasar 1656379 2372430 19817 0.5860
Pure GDR3 Quasar 68680 1753917 325 0.9621
SDSS16 Quasar + GDR3 491 401369 2 0.9988
SDSS16 Quasar + Pure GDR3 466 394680 2 0.9988

Notes. GP and MP refer to the global prior and mixed prior, respectively.

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